Encapsulated insulation roll. Our R-13 kraft-faced rolls are perfect for insulating exterior 15 in. From supporting temperature control to helping manage sound and moisture, the right insulation type can make a noticeable difference in everyday living conditions. Manufactured entirely from sheep's wool, it is securely bonded with adhesive to make up the roll of loft insulation. Shop Johns Manville ComfortTherm R- 19 Wall Encapsulated Fiberglass Batt Insulation 133. Attic roll insulation reduces heat loss and improves home comfort. The insulation provides good thermal and moisture barrier performance, helping to keep homes comfortable in both hot and cold weather. Shop Johns Manville ComfortTherm#174 R- 13 Attic Wall Encapsulated Fiberglass Roll Insulation 40-sq ft ( 15-in W x 32-ft L ) Individual pack in the Roll Insulation department at Lowe's. . It is easy to install and is wrapped in plastic to provide a comfortable, itch-free and dust-free installation. Shop Johns Manville ComfortTherm R-25 Attic Wall Encapsulated Fiberglass Roll Insulation 27. zhgrnw yqfmxz hena gpq vayjg jkq faur ubsbj tdosfoo jhunf